The existing characterization procedures to evaluate emerging photovoltaic devices are not appropriate for halide perovskite solar cells, a new generation of solar cells called to overcome the present state-of-the-art technologies. A vast group of scientists, led by Prof. Mónica Lira-Cantú (ICN2) and Prof. Eugene A. Katz (Ben-Gurion University of the Negev), have reached a consensus on the suitable procedures and the variables to be reported in stability studies of this kind of solar cells. Scientists from CEA laboratories working on perovskite solar cells at INES were involved in establishing this consensus statement, which was highlighted in the last issue of Nature Energy. It updates the ISOS protocols for the stability assessment of perovskite photovoltaics with additional procedures to account for properties specific to this technology.

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